Home / 8,680,940.28-11,979,676.98-4,813,362

Finding the Fourth Proportional to 8,680,940.28, 11,979,676.98 and 4,813,362

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Solution

The fourth proportional to 8,680,940.28, 11,979,676.98 and 4,813,362 is: 6,642,428.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,940.28 : 11,979,676.98 = 4,813,362 : x
  2. Step 2: Convert to fraction form
    8,680,940.28/11,979,676.98 = 4,813,362/x
  3. Step 3: Cross multiply
    8,680,940.28x = 11,979,676.98 × 4,813,362
  4. Step 4: Simplify right side
    8,680,940.28x = 57,662,521,947,806.77
  5. Step 5: Solve for x
    x = 57,662,521,947,806.77/8,680,940.28
  6. Step 6: Final answer
    x = 6,642,428.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.